Ms Reeves, currently on maternity leave after the birth of her second child, has said she will not return to her position as shadow work and pensions secretary and will instead “serve my constituents in Leeds West, party and new leadership from backbenches.”

She tweeted today:

When I return from maternity leave in January I will serve my constituents in Leeds West, party & new leadership from backbenches. #Labour

Veteran left-winger Corbyn got almost 60% of more than 400,000 votes cast, trouncing his rivals Andy Burnham, Yvette Cooper and Liz Kendall. Ms Reeves also hit back at one poster who Tweeted: “To be fair, it seems like you’re always on maternity leave!”